نتایج جستجو برای: solid bases

تعداد نتایج: 255442  

2009
Pierre Mathieu

The Zk parafermionic conformal field theories, despite the relative complexity of their modes algebra, offer the simplest context for the study of the bases of states and their different combinatorial representations. Three bases are known. The classic one is given by strings of the fundamental parafermionic operators whose sequences of modes are in correspondence with restricted partitions wit...

2009
Pierre Mathieu

The Zk parafermionic conformal field theories, despite the relative complexity of their modes algebra, offer the simplest context for the study of the bases of states and their different combinatorial representations. Three bases are known. The classic one is given by strings of the fundamental parafermionic operators whose sequences of modes are in correspondence with restricted partitions wit...

Journal: :Circulation 2004
Leon Axel

BACKGROUND The papillary muscles (PMs) play an important role in normal cardiac function, helping to prevent leakage through the AV valves during systole. The nature of their attachment to the heart wall can affect the understanding of their function. This attachment is conventionally portrayed as a direct connection of their bases to the solid portion of the heart wall. X-ray multidetector CT ...

2009
Pierre Mathieu

The Zk parafermionic conformal field theories, despite the relative complexity of their modes algebra, offer the simplest context for the study of the bases of states and their different combinatorial representations. Three bases are known. The classic one is given by strings of the fundamental parafermionic operators whose sequences of modes are in correspondence with restricted partitions wit...

Journal: :journal of linear and topological algebra (jlta) 0
s s. karimizad department of mathematics, faculty of science, islamic azad university, central tehran branch, tehran, iran

g-frames in hilbert spaces are a redundant set of operators which yield a repre-sentation for each vector in the space. in this paper we investigate the connection betweeng-frames, g-orthonormal bases and g-riesz bases. we show that a family of bounded opera-tors is a g-bessel sequences if and only if the gram matrix associated to its de nes a boundedoperator.

2014
Johnny D. Pham Borries Demeler James S. Nowick

This contribution reports solution-phase structural studies of oligomers of a family of peptides derived from the β-amyloid peptide (Aβ). We had previously reported the X-ray crystallographic structures of the oligomers and oligomer assemblies formed in the solid state by a macrocyclic β-sheet peptide containing the Aβ(15-23) nonapeptide. In the current study, we set out to determine its assemb...

Journal: :Nanoscale 2016
Jeffrey Comer Aleksei Aksimentiev

Measurements of ionic currents through nanopores partially blocked by DNA have emerged as a powerful method for characterization of the DNA nucleotide sequence. Although the effect of the nucleotide sequence on the nanopore blockade current has been experimentally demonstrated, prediction and interpretation of such measurements remain a formidable challenge. Using atomic resolution computationa...

Journal: :Methods in molecular biology 1988
D M O'Callaghan W J Donnelly

During the past few years, synthetic DNA, used as a primer in DNA polymerization, in site-directed mutagenesis or as a probe in gene selection, has assumed a central role in recombinant DNA technology (1). This was made possible by the development of methods for efficient solid phase chemical synthesis. Deoxyribonucleotides are ideally suited to solid-phase synthesis since their relative chemic...

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